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diff --git a/man-pages-posix-2017/man3p/basename.3p b/man-pages-posix-2017/man3p/basename.3p new file mode 100644 index 0000000..3aff302 --- /dev/null +++ b/man-pages-posix-2017/man3p/basename.3p @@ -0,0 +1,166 @@ +'\" et +.TH BASENAME "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. +.\" +.SH NAME +basename +\(em return the last component of a pathname +.SH SYNOPSIS +.LP +.nf +#include <libgen.h> +.P +char *basename(char *\fIpath\fP); +.fi +.SH DESCRIPTION +The +\fIbasename\fR() +function shall take the pathname pointed to by +.IR path +and return a pointer to the final component of the pathname, deleting +any trailing +.BR '/' +characters. +.P +If the string pointed to by +.IR path +consists entirely of the +.BR '/' +character, +\fIbasename\fR() +shall return a pointer to the string +.BR \(dq/\(dq . +If the string pointed to by +.IR path +is exactly +.BR \(dq//\(dq , +it is implementation-defined whether +.BR '/' +or +.BR \(dq//\(dq +is returned. +.P +If +.IR path +is a null pointer or points to an empty string, +\fIbasename\fR() +shall return a pointer to the string +.BR \(dq.\(dq . +.P +The +\fIbasename\fR() +function may modify the string pointed to by +.IR path , +and may return a pointer to internal storage. The returned pointer +might be invalidated or the storage might be overwritten by a +subsequent call to +\fIbasename\fR(). +The returned pointer might also be invalidated if the calling +thread is terminated. +.P +The +\fIbasename\fR() +function need not be thread-safe. +.SH "RETURN VALUE" +The +\fIbasename\fR() +function shall return a pointer to the final component of +.IR path . +.SH ERRORS +No errors are defined. +.LP +.IR "The following sections are informative." +.SH EXAMPLES +.SS "Using basename(\|)" +.P +The following program fragment returns a pointer to the value +.IR lib , +which is the base name of +.BR /usr/lib . +.sp +.RS 4 +.nf + +#include <libgen.h> +\&... +char name[] = "/usr/lib"; +char *base; +.P +base = basename(name); +\&... +.fi +.P +.RE +.SS "Sample Input and Output Strings for the basename(\|) and dirname(\|) Functions and the basename and dirname Utilities" +.S -1 +.TS +center box tab(!); +cB | cB | cB | cB | cB | cB +cB | cB | cB | cB | cB | cB +cB | cB | cB | cB | cB | cB +cB | cB | cB | cB | cB | cB +lf51 | lf51 | lf51 | lf51 | lf51 | lf5. +basename(\|)!!!basename!Output!Output +and dirname(\|)!String!String!and dirname!Written by!Written by +Functions path!Returned by!Returned by!Utilities!basename!dirname +Argument!basename(\|)!dirname(\|)!string Operand!Utility!Utility +_ +"usr"!"usr"!"."!usr!usr!. +_ +"usr/"!"usr"!"."!usr/!usr!. +_ +""!"."!"."!""!. \fRor empty string\fR!. +_ +"/"!"/"!"/"!/!/!/ +_ +"//"!"/" \fRor\fR "//"!"/" \fRor\fR "//"!//!/ \fRor\fR //!/ \fRor\fR // +_ +"///"!"/"!"/"!///!/!/ +_ +"/usr/"!"usr"!"/"!/usr/!usr!/ +_ +"/usr/lib"!"lib"!"/usr"!/usr/lib!lib!/usr +_ +"//usr//lib//"!"lib"!"//usr"!//usr//lib//!lib!//usr +_ +"/home//dwc//!"test"!"/home//dwc"!/home//dwc//!test!/home//dwc +test"!!!test +.TE +.S +1 +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +None. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fIdirname\fR\^(\|)" +.P +The Base Definitions volume of POSIX.1\(hy2017, +.IR "\fB<libgen.h>\fP" +.P +The Shell and Utilities volume of POSIX.1\(hy2017, +.IR "\fIbasename\fR\^" +.\" +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1-2017, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 7, 2018 Edition, +Copyright (C) 2018 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. +In the event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . +.PP +Any typographical or formatting errors that appear +in this page are most likely +to have been introduced during the conversion of the source files to +man page format. To report such errors, see +https://www.kernel.org/doc/man-pages/reporting_bugs.html . |